Midea CSU 12HCAA, Installation And Maintenance Manual

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59
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When the temperature of coil pipe of the indoor units is more than or equal to 7
℃
and the compressor has
shutdown for more than three minutes, the compressor and outdoor blower fan start to run and the indoor
blower fan is running at set speed.
●
When the temperature of coil pipe of the indoor units is equal to or less than
－
10
℃
for three minutes in
the compressor has continuous run for three minutes, the compressor, indoor and outdoor blower fans and
swinging wind shut down. Restart up six minutes later; if the above situations appear again within six
minutes, all the outputs are shut down through the electric control board and display failure.
●
When you press turbo button of remote, the air conditioner enter turbo running, compressor and outdoor
blower fan turn on all along, indoor blower fan run at high speed, turbo indication is light.
●
After the compressor runs five minutes, the lamp flashes 4 times per six seconds or display E4 if the
temperature of indoor coil pips is more than 25
℃
in the continuous 20 minutes. The controller will
automatically shut down if the temperature of indoor coil pips is more than 25
℃
in another continuous 20
minutes, that is the abnormality protection of outdoor units and the indicator lamp keeps its former state of
flashing. If the temperature of indoor coil pips is less than 25
℃
in the second 20 minutes or the compressor
shuts down, the electric control board will store to the normal display and the time is restarted when starting
up the compressor next time.
1° C
7° C
Tr
-10° C
c o m p r e s s o r
o u t d o o r
b l o w e r f a n
d o o r
b l o w e r f a n